/* ==========================================================================
   Your CoFounder — Design System
   Editorial dossier aesthetic: ivory ground, black ink, restrained gold.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --black:#0B0B0B;
  --white:#FFFFFF;
  --ivory:#F7F5F0;
  --ivory-deep:#F0ECE3;
  --gold:#B08D57;
  --gold-dark:#8C6B3E;
  --grey:#6B6B6B;
  --light-grey:#E9E7E2;
  --line:#DEDACE;

  --font-display:'Fraunces', ui-serif, Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --container:1180px;
  --gutter:clamp(20px,5vw,64px);
  --radius-sm:4px;
  --radius-md:10px;
  --ease:cubic-bezier(.22,.8,.32,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
body{
  font-family:var(--font-body);
  background:var(--ivory);
  color:var(--black);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:500;line-height:1.08;letter-spacing:-.01em}

:focus-visible{outline:2px solid var(--gold-dark);outline-offset:3px}

.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}

.ital{font-style:italic;color:var(--gold-dark)}

/* ---------- Type scale ---------- */
.display-xl{font-size:clamp(2.4rem,3.6vw + 1rem,4.6rem);font-weight:500}
.display-lg{font-size:clamp(1.9rem,2.4vw + 1rem,3.1rem);font-weight:500}
.display-md{font-size:clamp(1.4rem,1.2vw + 1rem,1.9rem);font-weight:500}
.display-sm{font-size:clamp(1.15rem,.6vw + 1rem,1.4rem);font-weight:500}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-dark);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--gold-dark)}

.lede{font-size:clamp(1.05rem,.4vw + 1rem,1.25rem);color:var(--grey);line-height:1.65;max-width:52ch}
.muted{color:var(--grey);line-height:1.7}
.label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}

/* ---------- Buttons ---------- */
.actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.cta{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;
  background:var(--black);
  color:var(--white);
  font-family:var(--font-body);
  font-weight:500;
  font-size:.95rem;
  border-radius:2px;
  border:1px solid var(--black);
  transition:background .25s var(--ease), color .25s var(--ease), transform .2s var(--ease);
  white-space:nowrap;
}
.cta:hover{background:var(--gold-dark);border-color:var(--gold-dark);transform:translateY(-1px)}
.cta.outline{background:transparent;color:var(--black);border:1px solid var(--black)}
.cta.outline:hover{background:var(--black);color:var(--white)}
.cta .arrow{transition:transform .25s var(--ease)}
.cta:hover .arrow{transform:translateX(3px)}

.link{
  font-weight:500;font-size:.95rem;
  border-bottom:1px solid var(--gold-dark);
  padding-bottom:2px;
  transition:opacity .2s;
}
.link:hover{opacity:.65}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,245,240,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-row{display:flex;align-items:center;justify-content:space-between;height:84px;gap:24px}
.logo-mark{display:flex;align-items:center;height:30px}
.logo-mark img{height:100%;width:auto}
.nav{display:flex;gap:34px;align-items:center}
.nav a{font-size:.93rem;font-weight:500;position:relative;padding:4px 0}
.nav a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold-dark);transform:scaleX(0);transform-origin:right;transition:transform .25s var(--ease)}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.nav a[aria-current="page"]{color:var(--gold-dark)}
.header-actions{display:flex;align-items:center;gap:18px}
.header-cta{padding:12px 22px;font-size:.88rem}
.menu-btn{display:none;flex-direction:column;gap:5px;padding:8px;width:44px;height:44px;align-items:center;justify-content:center}
.menu-btn span{display:block;width:20px;height:1.5px;background:var(--black);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

.mobile-nav{
  display:none;
  flex-direction:column;
  max-height:0;
  overflow:hidden;
  transition:max-height .35s var(--ease);
  border-top:1px solid transparent;
}
.mobile-nav.open{max-height:520px;border-top:1px solid var(--line)}
.mobile-nav a{padding:16px var(--gutter);font-size:1rem;font-weight:500;border-bottom:1px solid var(--line)}
.mobile-nav .mnav-cta{padding:16px var(--gutter);color:var(--gold-dark)}

@media (max-width:900px){
  .nav,.header-actions .header-cta{display:none}
  .menu-btn{display:flex}
  .mobile-nav{display:flex}
  .header-row{height:72px}
}

/* ---------- Sections ---------- */
main section{padding-block:clamp(56px,9vw,120px)}
.border-bottom{border-bottom:1px solid var(--line)}
.tint{background:var(--ivory-deep)}
.section-head{max-width:640px;margin-bottom:clamp(36px,5vw,64px)}
.section-head p{margin-top:18px}
.section-top-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:clamp(36px,5vw,64px)}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(64px,8vw,110px)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero h1{margin-top:24px}
.hero .lede{margin-top:26px;max-width:46ch}
.hero .actions{margin-top:36px}
.hero-meta{display:flex;gap:40px;margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.hero-meta div dt,.hero-meta div .label{margin-bottom:6px}
.hero-meta dd{font-family:var(--font-mono);font-size:.85rem}

/* Signature mark: rounded square + circle, echoing the logo's Co glyph */
.mark-wrap{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.mark-wrap svg{width:100%;height:100%}

/* ---------- Stats / bar ---------- */
.statbar{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px}
.statbar>div{padding-right:24px;border-right:1px solid var(--line)}
.statbar>div:last-child{border-right:0}
.statbar .stat-value{font-family:var(--font-display);font-size:1.5rem;margin-top:8px}

/* ---------- Two column / grid ---------- */
.grid-2{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:900px){
  .grid-2,.hero-grid{grid-template-columns:1fr;gap:40px}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}

/* ---------- List / article rows (services etc.) ---------- */
.list{display:flex;flex-direction:column}
.list.article{border-top:1px solid var(--line);padding-block:36px}
.list.article:last-child{border-bottom:1px solid var(--line)}
.list-row{display:flex;justify-content:space-between;align-items:baseline;gap:24px;flex-wrap:wrap}

/* ---------- Cards ---------- */
.card{
  border:1px solid var(--line);
  padding:32px;
  background:var(--white);
  border-radius:var(--radius-sm);
}
.card h3{margin-top:0}
.card .placeholder{margin-top:16px}

.placeholder{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.04em;
  color:var(--grey);
  border:1px dashed var(--light-grey);
  padding:8px 12px;
  display:inline-block;
  border-radius:2px;
}

/* ---------- Steps / process ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.step{padding-right:24px;border-left:1px solid var(--line);padding-left:24px;padding-top:4px}
.step:first-child{border-left:1px solid var(--line)}
@media (max-width:1000px){
  .steps{grid-template-columns:1fr;gap:32px}
  .step{border-left:0;border-top:1px solid var(--line);padding:28px 0 0}
}
.step-num{
  width:34px;height:34px;
  border-radius:8px;
  border:1px solid var(--black);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:.78rem;
  position:relative;
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;
  cursor:pointer;
  padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-family:var(--font-display);font-size:1.05rem;font-weight:500;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'+';
  font-family:var(--font-body);font-size:1.4rem;font-weight:400;color:var(--gold-dark);
  flex-shrink:0;
  transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding-bottom:24px;max-width:66ch;color:var(--grey);line-height:1.7}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);background:var(--ivory-deep)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-block:clamp(48px,6vw,80px)}
.footer-links{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.footer-links a{font-size:.92rem}
.footer-links a:hover{color:var(--gold-dark)}
footer .logo-mark{height:26px;margin-bottom:20px}
footer .lede{font-size:.95rem;max-width:34ch;color:var(--grey)}
.footer-col-label{margin-bottom:4px}
.copyright{
  border-top:1px solid var(--line);
  padding-block:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--grey)}
.field input,.field select,.field textarea{
  border:1px solid var(--line);
  background:var(--white);
  padding:13px 14px;
  border-radius:2px;
  font-size:.95rem;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold-dark)}
.field textarea{resize:vertical;min-height:120px}
.field .error{font-size:.78rem;color:#9c3b2f;min-height:1em}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#9c3b2f}
.form-note{margin-top:18px}
.form-success{
  display:none;
  padding:20px;
  border:1px solid var(--gold-dark);
  background:var(--white);
  margin-top:24px;
  font-family:var(--font-mono);
  font-size:.85rem;
}
.form-success.visible{display:block}
@media (max-width:700px){.form-grid{grid-template-columns:1fr}}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{display:flex;gap:8px;align-items:center;font-family:var(--font-mono);font-size:.72rem;color:var(--grey);text-transform:uppercase;letter-spacing:.06em}
.breadcrumbs a:hover{color:var(--gold-dark)}
.breadcrumbs span{opacity:.5}

/* ---------- Insights / article cards ---------- */
.insight-card{border-top:1px solid var(--line);padding-block:32px;display:grid;grid-template-columns:140px 1fr;gap:28px}
.insight-card:last-child{border-bottom:1px solid var(--line)}
@media (max-width:700px){.insight-card{grid-template-columns:1fr;gap:12px}}

.filter-row{display:flex;gap:10px;flex-wrap:wrap}
.filter-pill{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;
  border:1px solid var(--line);padding:8px 16px;border-radius:20px;
}

/* ---------- Pricing ---------- */
.tier{border:1px solid var(--line);padding:36px;background:var(--white);display:flex;flex-direction:column;height:100%}
.tier.featured{border-color:var(--black)}
.tier-badge{margin-bottom:14px}
.tier h3{margin-top:6px}
.tier .lede{font-size:.95rem;margin-top:14px;max-width:none}
.tier ul{margin-top:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.tier li{font-size:.9rem;padding-left:20px;position:relative;color:var(--grey)}
.tier li::before{content:'—';position:absolute;left:0;color:var(--gold-dark)}
.tier .cta{margin-top:28px;justify-content:center}

/* ---------- Legal pages ---------- */
.legal h2{margin-top:44px;margin-bottom:14px}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--grey);line-height:1.75;margin-bottom:14px}
.legal ul{margin:14px 0 14px 20px;color:var(--grey)}
.legal li{list-style:disc;margin-bottom:8px;line-height:1.7}
.legal-updated{margin-bottom:36px}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- Utility ---------- */
.mt-0{margin-top:0}
.hide-mobile{display:initial}
@media (max-width:700px){.hide-mobile{display:none}}